1. No-load current in the transformer is _______ a) Straight DC b) Steps c) Sinusoidal d) Sinusoidal distorted AnswerAnswer: d [Reason:] The no-load current in a transformer is non-sinusoidal. The basic cause for this phenomenon, which lies in hysteresis and saturation non-linearities of the core material, will now be investigated; this can only be accomplished…
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